Problems connected with the questions of: being-nonbeing, existence, modes of existence and alike, belong to the basic and most important in metaphysics. The article discusses some answers to the aforementioned issues, as proposed by the ancient philosophers, St Thomas Aquinas, R. Ingarden and A.N. Whitehead. In the Appendix some remarks are made on Aristotle’s and S. Thomas’ theory of act and potency.

The history of aesthetics, like the histories of other sciences, may be treated in a two-fold manner: as the history of the men who created the field of study, or as the history of the questions that have been raised and resolved in the course of its pursuit. The earlier History of Aesthetics (3 volumes, 1960-68, English-language edition 1970-74) by the author of the present book was a history of men, of writers and artists who in centuries past have spoken (...) up concerning beauty and art, form and crea tivity. The present book returns to the same subject, but treats it in a different way: as the history of aesthetic questions, concepts, theories. The matter of the two books, the previous and the present, is in part the same; but only in part: for the earlier book ended with the 17th century, while the present one brings the subject up to our own times. And from the 18th century to the 20th much happened in aesthetics; it was only in that period that aesthetics achieved recognition as a separate science, received a name of its own, and produced theories that early scholars and artists had never dreamed of. (shrink)

Learned men have been writing about happiness since antiquity: from Greek times, there is Aristotle's treatise, included in the Nicomachean Ethics; from Roman, Seneca's De Vita Beata. Later came the Christian writings on this subject, especially another De Beata Vita, written by St. Augustine. The point of view is different from Aristotle's or Seneca's but the subject remains the same. In the Middle Ages also treatises on happiness were produced, and these eventually became part of the 'summae'. St. Thomas devoted (...) q. 2-5 of the Prima Secundae to happiness and q. 3 1-39 bear on it indirectly. In more modern times works on happiness continued to be written. Some authors carried on the Christian tradition which maintained that happi­ness is only attainable in the next world; to these belong the earliest works written in Polish. Other treatises - especially those of the Age of Reason - hold the opposite concept, that the only happiness man can expect is to be found on earth. In the 18th century there were so many of these treatises that it was possible to produce a whole anthology: The Temple of Happiness, or as it was originally called Le Temple du bonheur, ou recueuil des plus excellents traites sur Ie bonheur (2nd ed. , 1770). (shrink)

There are three main kinds of causal connections between two events: the transfer of energy, the transfer of information and the triggering of the transfer of one of them or both. There are also other kinds of causal connections.

Władysław Krajewski criticizes frontally Kałuszyńska's argumentation on behalf of anti-realism.

This paper considers the method of idealization and factualization as the main method of all advanced empirical science. The procedure is as follows. Some idealizing conditions are assumed: the vanishing of factors $(p_{i}=0)$ which never vanish in the real world. An idealization law is formulated -- a law which is exactly (non-vacuously) fulfilled only in an ideal model, not in any real system. Then the idealizing assumptions are abrogated one by one-it is a process of gradual factualization, of the transition (...) to the factual laws which are fulfilled in real systems. These laws may be directly applied and tested by experience. (shrink)

The chromatin‐regulatory principles of histone post‐translational modifications (PTMs) are discussed with a focus on the potential alterations in chromatin functional state due to steric and mechanical constraints imposed by bulky histone modifications such as ubiquitin and SUMO. In the classical view, PTMs operate as recruitment platforms for histone “readers,” and as determinants of chromatin array compaction. Alterations of histone charges by “small” chemical modifications (e.g., acetylation, phosphorylation) could regulate nucleosome spontaneous dynamics without globally affecting nucleosome structure. These fluctuations in nucleosome (...) wrapping can be exploited by chromatin‐processing machinery. In contrast, ubiquitin and SUMO are comparable in size to histones, and it seems logical that these PTMs could conflict with canonical nucleosome organization. An experimentally testable hypothesis that by adding sterical bulk these PTMs can robustly alter nucleosome primary structure is proposed. The model presented here stresses the diversity of mechanisms by which histone PTMs regulate chromatin dynamics, primary structure and, hence, functionality. (shrink)

INTRODUCTION The aim of the present volume is to introduce prominent Polish philosophers of the 20th century as well as their significant accomplishments in ...

My paper is devoted to the most important and fundamental issues of Roman Ingarden’s philosophy, including the contention between idealism and realism, the controversy between objectivism and subjectivism in the area of axiology, the problem of validity of cognition, and the structure and role of language. I argue for the claim that Ingarden solved several specific philosophical problems (like, for instance, the issue of causality, theory of systems, etc.) and he also frequently shed new light on various issues that had (...) been discussed throughout the history of philosophy, showing how important and up to date they were. Moreover, it is worthy to say that his philosophy is marked by the precise and subtle character of the analyses and the range of the examined problems. It is the whole in which every specific problem finds a proper place for itself. (shrink)

The paper is a sketch of a conception of approximative truth (or verisimilitude). The concepts of relative error, and degree of inadequacy are introduced. By means of them the concept of truth-content of quantitative facts-statements, laws and theories is defined. Laws and theories accepted in science have a high truth-content, i.e. they are approximately true.

The article reviews the book Los, zło, tajemnica: ku twórczym źródłom poezji Aleksandra Wata i Czesława Miłosza [Fate, Evil, Mystery: Toward the Creative Sources of Aleksander Wat's and Czesław Miłosz's Poetry], by Marek K. Siwiec.

A fully quantum-mechanical description of the spontaneous emission from an excited two-level atom placed in front of a two-slit interferometer is given. Global modes of the electromagnetic field in a two slit system are derived within the Kirchhoff-Huygens diffraction approximation, serving as a base for the field quantization. The standard Fermi's golden rule, supplemented by a factor coming from the nontrivial mode structure caused by the presence of the two-slit interferometer, is used to show that interference results from the position-dependent (...) coupling between the atom and different field modes of the system. (shrink)

Sixty years that have passed since the Warsaw Uprising are meaningful on the life scale of human generations. The Uprising, planned for 2 or 3 days, lasted in fact for 63 days. That fact astounded the military experts and was even noticed by the German high command, which has to be mainly ascribed to the exceptional tension of patriotism of the soldiers and the population.The Germans suffered especially great losses on the average around 1,900 weekly, almost twice as many as (...) during the highest intensity of fighting in 1944/45. On our side the losses were estimated at 18,000 dead and about 6,500–7,000 wounded insurgents. However, the Warsaw Uprising and the whole nation counted around 150,000 dead among the civilians.During the two months of the uprising 25% of the pre-war buildings in Warsaw were destroyed, mainly due to the barbarian practice of burning the whole streets. Against the conditions of the capitulation agreement just signed, the majority of historical monuments were burned down.In Warsaw, the tradition of sacrifices and solidarity in action, bravery and the deep attachment to liberty, manifested in September 1939, was alive and brought results all the time of war through the acts of the patriotic resistance organizations. The leaders of the Warsaw Uprising belonged to the resistance fighters before World War I and during it. The battle for independence was their curriculum vitae, and the majority of the uprising participants, the youth, was educated in the independent Polish Republic, in respect for patriotic traditions of independence fights and insurrections.Jerzy Kirchmajer believes that the Warsaw Uprising was an error, as it did not suit the Soviets; Jan Ciechanowski from London—that it was against the plans of the British ally. It is said sometimes that the Uprising started without calculating the possibility of a helping hand.Faith played a major role during the Uprising. The clergy helped the community every way they could. (shrink)